{"type":"trials","record":{"id":42387,"source_id":"clinicaltrials-gov","external_id":"NCT04539847","title":"Impact of Hearing Aid Technology on Self-reported Outcomes","brief_summary":"The study aims to investigate if the level of hearing aid (HA) technology has an impact on self-reported outcomes in patients with presbycusis in terms of overall IOI-HA scores, Factor 1, Factor 2 scores, SSQ scores, and the SSQ domains. The study explores if presbycusis patients report better outcomes with premium level HA technology compared to basic level HA technology. Further, the study investigates if premium level HAs provide more high-frequency gain than basic HAs using Real Ear Measurements.","overall_status":"Completed","phases":[],"study_type":"INTERVENTIONAL","sponsor":"University of Southern Denmark","enrollment":208,"countries":[],"start_date":"2016-12-01","completion_date":"2018-05-01","last_update_date":"2020-10-20","source_url":"https://clinicaltrials.gov/study/NCT04539847","editorial_summary":"A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.","first_seen_at":"2026-09-25T01:25:34.048307+00:00","last_seen_at":"2026-09-25T06:25:04.647+00:00","metadata":{"sex":"ALL","acronym":null,"age_range":"18 Years","comparator":null,"organization":"University of Southern Denmark","interventions":["High-end hearing aid","Basic hearing aid"],"registry_source":"ClinicalTrials.gov","outcome_measures":["International Outcome Inventory for Hearing Aids — two months","Speech, Spatial, and Quality of hearing scale (the short form) — two months"],"design_description":"RANDOMIZED · PARALLEL · TREATMENT · SINGLE","source_has_results":false},"controlled_terms":["Presbycusis, Bilateral","High-end hearing aid","Basic hearing aid"],"relevance_confidence":90,"source_quality_score":100,"freshness_score":50,"publication_state":"published","match_explanation":"Abstract contains controlled term: presbycusis.","quality_checked_at":"2026-09-25T06:25:07.732232+00:00","duplicate_cluster_key":"id:nct04539847","duplicate_of_id":null,"evidence_snapshot":{"status":"structured","version":1,"duration":"2016-12-01 to 2018-05-01","comparator":null,"confidence":"structured-source","population":"ALL · 18 Years","provenance":{"duration":"start_date and completion_date","comparator":"registry arm fields","population":"registry eligibility fields","intervention":"registry intervention fields","participants":"enrollment","study_design":"study_type and registry design fields","evidence_stage":"phases","reported_outcome":"not available","outcomes_measured":"registry outcome-measure fields"},"generated_at":"2026-09-25T06:25:04.667Z","intervention":["High-end hearing aid","Basic hearing aid"],"participants":208,"study_design":"RANDOMIZED · PARALLEL · TREATMENT · SINGLE","subject_scope":"Human clinical study registration","evidence_stage":"Phase not reported","safety_context":"Eligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians.","source_support":"Structured registry protocol metadata; no finding-level conclusion is generated.","main_limitation":"This is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.","reported_outcome":null,"outcomes_measured":["International Outcome Inventory for Hearing Aids — two months","Speech, Spatial, and Quality of hearing scale (the short form) — two months"],"regulatory_context":"Trial registration is not regulatory approval and does not establish that an intervention is available."},"clinical_trial_topics":[{"topic_slug":"hearing-aging","is_published":true,"match_reasons":["Abstract contains controlled term: presbycusis.","Source terminology contains: presbycusis.","Study type is explicitly identified as INTERVENTIONAL."],"matched_fields":["abstract","controlled terminology","study type"],"relevance_score":90,"intelligence_topics":{"name":"Hearing ageing","slug":"hearing-aging"}}],"content_sources":{"name":"ClinicalTrials.gov","homepage_url":"https://clinicaltrials.gov/"}},"canonical_url":"https://www.immortal.life/trials/42387","automation_disclosure":"Generated automatically from cited source metadata. No scientist, clinician, researcher, editor, or human reviewer evaluates this publication before release."}